1 /* $NetBSD: chared.h,v 1.30 2016/05/22 19:44:26 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Christos Zoulas of Cornell University. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * @(#)chared.h 8.1 (Berkeley) 6/4/93 35 */ 36 37 /* 38 * el.chared.h: Character editor interface 39 */ 40 #ifndef _h_el_chared 41 #define _h_el_chared 42 43 /* 44 * This is an issue of basic "vi" look-and-feel. Defining VI_MOVE works 45 * like real vi: i.e. the transition from command<->insert modes moves 46 * the cursor. 47 * 48 * On the other hand we really don't want to move the cursor, because 49 * all the editing commands don't include the character under the cursor. 50 * Probably the best fix is to make all the editing commands aware of 51 * this fact. 52 */ 53 #define VI_MOVE 54 55 /* 56 * Undo information for vi - no undo in emacs (yet) 57 */ 58 typedef struct c_undo_t { 59 ssize_t len; /* length of saved line */ 60 int cursor; /* position of saved cursor */ 61 wchar_t *buf; /* full saved text */ 62 } c_undo_t; 63 64 /* redo for vi */ 65 typedef struct c_redo_t { 66 wchar_t *buf; /* redo insert key sequence */ 67 wchar_t *pos; 68 wchar_t *lim; 69 el_action_t cmd; /* command to redo */ 70 wchar_t ch; /* char that invoked it */ 71 int count; 72 int action; /* from cv_action() */ 73 } c_redo_t; 74 75 /* 76 * Current action information for vi 77 */ 78 typedef struct c_vcmd_t { 79 int action; 80 wchar_t *pos; 81 } c_vcmd_t; 82 83 /* 84 * Kill buffer for emacs 85 */ 86 typedef struct c_kill_t { 87 wchar_t *buf; 88 wchar_t *last; 89 wchar_t *mark; 90 } c_kill_t; 91 92 typedef void (*el_zfunc_t)(EditLine *, void *); 93 typedef const char *(*el_afunc_t)(void *, const char *); 94 95 /* 96 * Note that we use both data structures because the user can bind 97 * commands from both editors! 98 */ 99 typedef struct el_chared_t { 100 c_undo_t c_undo; 101 c_kill_t c_kill; 102 c_redo_t c_redo; 103 c_vcmd_t c_vcmd; 104 el_zfunc_t c_resizefun; 105 el_afunc_t c_aliasfun; 106 void * c_resizearg; 107 void * c_aliasarg; 108 } el_chared_t; 109 110 111 #define STRQQ "\"\"" 112 113 #define isglob(a) (strchr("*[]?", (a)) != NULL) 114 115 #define NOP 0x00 116 #define DELETE 0x01 117 #define INSERT 0x02 118 #define YANK 0x04 119 120 #define CHAR_FWD (+1) 121 #define CHAR_BACK (-1) 122 123 #define MODE_INSERT 0 124 #define MODE_REPLACE 1 125 #define MODE_REPLACE_1 2 126 127 128 libedit_private int cv__isword(wint_t); 129 libedit_private int cv__isWord(wint_t); 130 libedit_private void cv_delfini(EditLine *); 131 libedit_private wchar_t *cv__endword(wchar_t *, wchar_t *, int, int (*)(wint_t)); 132 libedit_private int ce__isword(wint_t); 133 libedit_private void cv_undo(EditLine *); 134 libedit_private void cv_yank(EditLine *, const wchar_t *, int); 135 libedit_private wchar_t *cv_next_word(EditLine*, wchar_t *, wchar_t *, int, 136 int (*)(wint_t)); 137 libedit_private wchar_t *cv_prev_word(wchar_t *, wchar_t *, int, int (*)(wint_t)); 138 libedit_private wchar_t *c__next_word(wchar_t *, wchar_t *, int, int (*)(wint_t)); 139 libedit_private wchar_t *c__prev_word(wchar_t *, wchar_t *, int, int (*)(wint_t)); 140 libedit_private void c_insert(EditLine *, int); 141 libedit_private void c_delbefore(EditLine *, int); 142 libedit_private void c_delbefore1(EditLine *); 143 libedit_private void c_delafter(EditLine *, int); 144 libedit_private void c_delafter1(EditLine *); 145 libedit_private int c_gets(EditLine *, wchar_t *, const wchar_t *); 146 libedit_private int c_hpos(EditLine *); 147 148 libedit_private int ch_init(EditLine *); 149 libedit_private void ch_reset(EditLine *); 150 libedit_private int ch_resizefun(EditLine *, el_zfunc_t, void *); 151 libedit_private int ch_aliasfun(EditLine *, el_afunc_t, void *); 152 libedit_private int ch_enlargebufs(EditLine *, size_t); 153 libedit_private void ch_end(EditLine *); 154 155 #endif /* _h_el_chared */ 156